Altamaha Sound Weather Forecast

    • 78
    • 86

    Chance Thunderstorms

    • 78
    • 88

    Slight Chance Thunderstorms

    • 77
    • 89

    Rain Showers

    • 78
    • 84

    Rain Showers

    • 78
    • 84

    Chance Thunderstorms

    • 77
    • 84

    Slight Chance Thunderstorms

Today 4 Sep Coastal McIntosh

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 4 Sep Coastal McIntosh

Partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altamaha Sound Temperature Statistics

September Temperature

Brunswick / Glynco (11.2 miles)

  • Lowest 1 September, 2026

    72.3 °F

  • Average September

    81.1 °F

  • Highest 2 September, 2026

    92.3 °F

Climate (2021–2026)

Brunswick / Glynco (11.2 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    78.8 °F
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